McDonald's earnings; Stock streak ends; Trump and the Fed

1. Fast food earnings: It's a yummy earnings day on Wall Street.

McDonald's(MCD) will report third quarter results before the opening bell. Investors and customers seem to be liking the burger chain's recent image change and menu additions, and shares are up 34% so far this year.

It's a different story at Chipotle Mexican Grill(CMG), which also reports before the open. Its shares are down 15% in 2017.

The chain has been struggling to win back customers following E. coli and norovirus outbreaks, as well as a recent rodent sighting in one of its restaurants in Dallas.

2. Stock streak ends: The Dow Jones industrial average snapped its impressive six-day run of records on Monday. The index closed 0.2% lower.

3. Trump and the Fed: President Trump says he will announce his choice for Federal Reserve chair "very soon." Trump must decide whether to stick with current Fed boss Janet Yellen, or put his own stamp on the central bank. Stanford University economist John Taylor and Fed Governor Jerome Powell are both in the running.

4. U.K. treasury chief questioned: U.K. Chancellor Philip Hammond is set to be questioned in parliament at 6:30 a.m. ET.

Brexit and the country's upcoming budget are bound to be on the agenda.

Britain and the European Union have made little progress in Brexit negotiations, and businesses are getting nervous.

Unicredit(UNCFF), Italy's biggest bank by assets, was forced to release its preliminary earnings two weeks ahead of schedule after some of the data leaked early. The bank's stock was trading 0.4% lower in Milan.